ACPI (Advanced Configuration and Power Interface) is a standard for power management.

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291 views

ACPId suspend-to-ram: can you specify waking up using keyboard events?

This is Gentoo Linux with OpenRC (updated to systemd later on), and ACPI + some power management features in the kernel for Intel. ACPId is up and running. I can suspend to ram using: echo -n "mem" ...
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1answer
280 views

CentOS 7 cpupower not setting the CPU's to maximum

On my machine, i have power savings disable on the BIOS. When I run Ubuntu on this machine, the CPU's are running maximum at 2100 MHz. However, when I'm running CentOS 7, even with the scaling ...
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1answer
863 views

Intel Turbo Boost apparently activated for no reason?

The other day, I reinstalled my operating system (Crunchbang, fork of Debian). For some reason my fan has been running at full speed (and blowing colder-than-room-temperature air) even though I'm ...
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1answer
285 views

Is there any way to get Intel i915 graphics without ACPI?

I've got an old tablet PC that panics on boot with ACPI GPE storms. It boots just fine with acpi=off in the kernel arguments, however I've never been able to get the Intel i915 accelerated graphics ...
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1answer
151 views

“Acpi-State” in slabtop's output gets increased — what is it? Is it a bug?

Since boot it gets increased occupying even more RAM than anything else: Active / Total Objects (% used) : 680608 / 719176 (94.6%) Active / Total Slabs (% used) : 17390 / 17390 (100.0%) ...
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49 views

Acpitool no information

When I run as root acpitool I recieved Battery is not present, bailing out. AC adapter : <info not available> Thermal info : <not available> I can understand why all the ...
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0answers
1k views

How to set up control for case fans in Debian Wheezy?

We'll for some days now I've been trying to get the fancontrol for my Debian Wheezy up and running. Actually (after some problems with pwmconfig not accepting my chipset, which is a AMD 770 one) now ...
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282 views

Old HP nc4400 laptop on Debian, fan turns on for 10 secs, then off for 20 secs

I run Debian 7 on an HP nc4400 laptop. This is an old laptop with an Intel Centrino chipset. It runs fine except that the fan turns on for 10 seconds, then off for 20 seconds and then on for 10 ...
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416 views

How to use Sony VAIO buttons to lock the screen?

I have a Sony Vaio VPCEG laptop, like this. I'm using Lubuntu 11.10. I'd like to use those 3 buttons (Assist, WEB and VAIO). They work with Windows 7, to recover the system and to open the browser. ...
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383 views

acpi_listen returns different result in Ubuntu than Arch Linux

Ubuntu is able to detect my Lenovo "Mic Mute" button with acpi_listen, but when I try it on Arch Linux, there is no output available. Model: Thinkpad X220 4290LY9 Tried to add acpi_osi=Linux in ...
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11 views

What does “acpi PNP0501:00: Still not present” mean?

On my new laptop, I have an error in dmesg which occurs every 2 seconds: acpi PNP0501:00: Still not present What does this mean? How to troubleshoot it?
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10 views

skip pam_fprintd.so with closed lid

I really love fprintd and I really love having my laptop closed while in docking station. But I hate both together. This is my /etc/pam.d/system-auth: auth sufficient pam_fprintd.so ...
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0answers
371 views

Cannot control brightness with Fedora 14 on Compaq CQ42

I've done the primary searching of similar questions, Found some, tried the solutions and they didn't work for me. So asking again. All the keys of my Fn combination works except the brightness ones. ...
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0answers
74 views

acpi_listen: can't open socket /var/run/acpid.socket: No such file or directory

I need to use the acpi_listen command. It wasn't installed so I did: pacman -S acpid Then when I run the command acpi_listen I get: acpi_listen: can't open socket /var/run/acpid.socket: No such ...
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176 views

acpi, pm-util and xautolock all happy together

I'm currently using the xfce4 power manager on my laptop to manage sleeping and screen locking and dimming and all that good stuff. But I get the feeling that this is just some candy on top of the ...
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13 views

Having driver load after lid opens

I am running crunchbang OS, I need to load the wifi adapter's realtek driver when open the lid since it removes itself every time I close the laptop. Is it better to put the start up script inside ...
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349 views

Suspend-to-ram fails on Gentoo with i915

I am struggling with suspend-to-ram on my Acer Aspire V3 772G with Gentoo. My configuration: Gentoo 3.12.5 kernel (.config) /etc/portage/make.conf Portage world file 1) It works in Windows 7 and ...